diff --git a/manifests/m/Mono/Mono/6.12.0.129/Mono.Mono.installer.yaml b/manifests/m/Mono/Mono/6.12.0.129/Mono.Mono.installer.yaml
new file mode 100644
index 000000000..8d56ff5c2
--- /dev/null
+++ b/manifests/m/Mono/Mono/6.12.0.129/Mono.Mono.installer.yaml
@@ -0,0 +1,20 @@
+# yaml-language-server: $schema=https://aka.ms/winget-manifest.installer.1.0.0.schema.json
+PackageIdentifier: Mono.Mono
+PackageVersion: 6.12.0.129
+FileExtensions:
+- cs
+- exe
+- dll
+InstallerType: msi
+Installers:
+- Architecture: x64
+  InstallerUrl: https://download.mono-project.com/archive/6.12.0/windows-installer/mono-6.12.0.129-x64-0.msi
+  InstallerSha256: C171DE5934C8990F20312A1BF5F9789076B201A844D33E5B597ADC1B363D181C
+  ProductCode: "{733068DB-87EB-402D-82D1-CB56E73BD0F5}"
+- Architecture: x86
+  InstallerUrl: https://download.mono-project.com/archive/6.12.0/windows-installer/mono-6.12.0.129-gtksharp-2.12.45-win32-0.msi
+  InstallerSha256: 9ACAEB41265EF99392F8DC4368D304595B699A8399873EC19879C9538FE62D3B
+  ProductCode: "{702DF283-3C0F-45F8-8D64-9E8339D3203A}"
+ManifestType: installer
+ManifestVersion: 1.0.0
+
diff --git a/manifests/m/Mono/Mono/6.12.0.129/Mono.Mono.locale.en-US.yaml b/manifests/m/Mono/Mono/6.12.0.129/Mono.Mono.locale.en-US.yaml
new file mode 100644
index 000000000..d673f8b5c
--- /dev/null
+++ b/manifests/m/Mono/Mono/6.12.0.129/Mono.Mono.locale.en-US.yaml
@@ -0,0 +1,23 @@
+# yaml-language-server: $schema=https://aka.ms/winget-manifest.defaultlocale.1.0.0.schema.json
+PackageIdentifier: Mono.Mono
+PackageVersion: 6.12.0.129
+PackageLocale: en-US
+Author: Mono Project
+Description: Sponsored by Microsoft, Mono is an open source implementation of Microsoft"s .NET Framework based on the ECMA standards for C# and the Common Language Runtime. A growing family of solutions and an active and enthusiastic contributing community is helping position Mono to become the leading choice for development of cross platform applications.
+Moniker: mono
+Tags:
+- sdk
+- c#
+- ecma
+- clr
+- net
+- dotnet
+PackageUrl: https://www.mono-project.com/
+LicenseUrl: https://www.mono-project.com/docs/faq/licensing/
+Publisher: Mono Project
+PackageName: Mono
+License: MIT
+ShortDescription: Mono.Mono
+ManifestType: defaultLocale
+ManifestVersion: 1.0.0
+
diff --git a/manifests/m/Mono/Mono/6.12.0.129/Mono.Mono.yaml b/manifests/m/Mono/Mono/6.12.0.129/Mono.Mono.yaml
index 0c1aac3a4..298c1054e 100644
--- a/manifests/m/Mono/Mono/6.12.0.129/Mono.Mono.yaml
+++ b/manifests/m/Mono/Mono/6.12.0.129/Mono.Mono.yaml
@@ -1,30 +1,7 @@
+# yaml-language-server: $schema=https://aka.ms/winget-manifest.version.1.0.0.schema.json
 PackageIdentifier: Mono.Mono
-Publisher: Mono Project
-PackageName: Mono
-Author: Mono Project
-ShortDescription: Mono.Mono
-Description: Sponsored by Microsoft, Mono is an open source implementation of Microsoft's .NET Framework based on the ECMA standards for C# and the Common Language Runtime. A growing family of solutions and an active and enthusiastic contributing community is helping position Mono to become the leading choice for development of cross platform applications.
-Moniker: mono
-Tags:
-- sdk
-- c#
-- ecma
-- clr
-- net
-- dotnet
-FileExtensions:
-- cs
-- exe
-- dll
-PackageUrl: https://www.mono-project.com/
-License: MIT
-LicenseUrl: https://www.mono-project.com/docs/faq/licensing/
 PackageVersion: 6.12.0.129
-InstallerType: msi
-Installers:
-- Architecture: x64
-  InstallerUrl: https://download.mono-project.com/archive/6.12.0/windows-installer/mono-6.12.0.129-x64-0.msi
-  InstallerSha256: c171de5934c8990f20312a1bf5f9789076b201a844d33e5b597adc1b363d181c
-PackageLocale: en-US
-ManifestType: singleton
-ManifestVersion: 1.0.0
\ No newline at end of file
+DefaultLocale: en-US
+ManifestType: version
+ManifestVersion: 1.0.0
+